This part is a kind of semiconductor called K3662.

Function of this product has 2SK3662.

Manufacturers : Toshiba Semiconductor

Image and pinout :

Some of the text within the PDF file :

2SK3662 TOSHIBA Field Effect Transistor Silicon N Channel MOS Type (π-MOSII) 2SK3662 Switching Regulator, DC−DC Converter, Motor Drive Applications • • • • Low drain-source ON resistance: RDS (ON) = 9.4 mΩ (typ.) High forward transfer admittance: |Yfs| = 55 S (typ.) Low leakage current: IDSS = 100 μA (max) (VDS = 60 V) Enhancement mode : Vth = 1.3 to 2.5 V (VDS = 10 V, ID = 1 mA) Unit: mm Absolute Maximum Ratings (Ta = 25°C) Characteristics Drain-source voltage Drain-gate voltage (RGS = 20 kΩ) Gate-source voltage Drain current DC (Note 1) Symbol VDSS VDGR VGSS ID IDP PD EAS IAR (Note 3) Channel temperature Storage temperature range EAR Tch Tstg Rating 60 60 ±20 35 105 35 204 35 3.5 150 −55 to 150 Unit V V V A W mJ A mJ °C °C Pulse (Note 1) Drain [ ... ]

K3662 PDF Datasheet Download